คณะกรรมการแห้งลบบนล้อแห้งเช็ดคณะกรรมการ

Zinc Coated Dry Erase Boards for Students , Customized Dry Erase Boards Deacription Thanks for the China National Invention Patent technology; the Whiteboard's matte-white, low-gloss surface provides writings with dust free pens which can be easily clean up even stand for 150 days.it's dust-free and easy to clean with the included eraser or a clean cloth, Designed for everyday use, the write board is the perfect solution for office presentations and handwriting At the same